数据校验（2）--demo1---bai
2017-01-08 10:09
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input_score.jsp <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'index.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> <form action="score.action" method="post"> 用户名： <input name="sname" /><br/> 成绩： <input name="score" /><br/> 补考成绩： <input name="score2" /><br/> <input type="submit" value="注册"/> </form> </body> </html>
showscore.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'show.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
${sname },${score }
</body>
</html>showerror.jsp <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%@ taglib uri="/struts-tags" prefix="s"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'showerror.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> 出错信息如下:<s:fielderror/> </body> </html>
struts.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd"> <struts> <constant name="struts.devMode" value="true" /> <package name="p" namespace="/" extends="struts-default"> <action name="score" class="com.etc.action.ScoreAction"> <result> /showscore.jsp </result> <result name="input"> /showerror.jsp </result> </action> </package> </struts>
ScoreAction
package com.etc.action;
import com.opensymphony.xwork2.ActionSupport;
public class ScoreAction extends ActionSupport
{
private String sname;
private Integer score;
private Integer score2;
public String getSname() {
return sname;
}
public void setSname(String sname) {
this.sname = sname;
}
/*
@Override
public void validate()
{
if(score<0||score>60)
this.addFieldError("score","成绩非法！");
}
*/
public Integer getScore() {
return score;
}
public void setScore(Integer score) {
this.score = score;
}
public Integer getScore2() {
return score2;
}
public void setScore2(Integer score2) {
this.score2 = score2;
}
public String execute()
{
return "success";
}
}ScoreAction-validation.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC
"-//Apache Struts//XWork Validator 1.0.2//EN"
"http://struts.apache.org/dtds/xwork-validator-1.0.2.dtd">
<validators>
<validator type="requiredstring"><!-- 必填字符串字段 -->
<param name="fieldName">sname</param>
<message>uid不能为空</message>
</validator>
<validator type="required"><!-- 必填字段 -->
<param name="fieldName">score</param>
<message>score不能为空</message>
</validator>
<validator type="required"><!-- 必填字段 -->
<param name="fieldName">score2</param>
<message>score2不能为空</message>
</validator>
<validator type="int"> <!-- 整数校验器 -->
<param name="fieldName">score</param>
<param name="max">100</param>
<param name="min">0</param>
<message>成绩必须在${min}-${max}之间！</message>
</validator>
<validator type="int"> <!-- 整数校验器 -->
<param name="fieldName">score2</param>
<param name="max">100</param>
<param name="min">60</param>
<message>补考成绩必须在${min}-${max}之间！</message>
</validator>
</validators>validators.xml <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator Config 1.0//EN" "http://www.opensymphony.com/xwork/xwork-validator-config-1.0.dtd"> <!-- START SNIPPET: validators-default --> <validators> <validator name="required" class="com.opensymphony.xwork2.validator.validators.RequiredFieldValidator"/> <validator name="requiredstring" class="com.opensymphony.xwork2.validator.validators.RequiredStringValidator"/> <validator name="int" class="com.opensymphony.xwork2.validator.validators.IntRangeFieldValidator"/> <validator name="long" class="com.opensymphony.xwork2.validator.validators.LongRangeFieldValidator"/> <validator name="short" class="com.opensymphony.xwork2.validator.validators.ShortRangeFieldValidator"/> <validator name="double" class="com.opensymphony.xwork2.validator.validators.DoubleRangeFieldValidator"/> <validator name="date" class="com.opensymphony.xwork2.validator.validators.DateRangeFieldValidator"/> <validator name="expression" class="com.opensymphony.xwork2.validator.validators.ExpressionValidator"/> <validator name="fieldexpression" class="com.opensymphony.xwork2.validator.validators.FieldExpressionValidator"/> <validator name="email" class="com.opensymphony.xwork2.validator.validators.EmailValidator"/> <validator name="url" class="com.opensymphony.xwork2.validator.validators.URLValidator"/> <validator name="visitor" class="com.opensymphony.xwork2.validator.validators.VisitorFieldValidator"/> <validator name="conversion" class="com.opensymphony.xwork2.validator.validators.ConversionErrorFieldValidator"/> <validator name="stringlength" class="com.opensymphony.xwork2.validator.validators.StringLengthFieldValidator"/> <validator name="regex" class="com.opensymphony.xwork2.validator.validators.RegexFieldValidator"/> <validator name="conditionalvisitor" class="com.opensymphony.xwork2.validator.validators.ConditionalVisitorFieldValidator"/> <validator name="myusername" class="com.etc.validator.MyUsernameValidator"/> </validators> <!-- END SNIPPET: validators-default -->
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